Mazda 3 2018 Owner's Manual page 460

Maintenance and Care
Owner Maintenance
5. Remove the metal stiffeners from the
blade rubber and install them in the
new blade.
CAUTION
Do not bend or discard the stiffeners.
You need to use them again.
6. Carefully insert the new blade rubber.
Then install the blade assembly in the
reverse order of removal.
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Mazda3_8GE4-EA-17F_Edition1 2017-4-7 11:59:21